Home / 1,600,915.39-2,209,256.62-865,870.47

Finding the Fourth Proportional to 1,600,915.39, 2,209,256.62 and 865,870.47

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Solution

The fourth proportional to 1,600,915.39, 2,209,256.62 and 865,870.47 is: 1,194,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,915.39 : 2,209,256.62 = 865,870.47 : x
  2. Step 2: Convert to fraction form
    1,600,915.39/2,209,256.62 = 865,870.47/x
  3. Step 3: Cross multiply
    1,600,915.39x = 2,209,256.62 × 865,870.47
  4. Step 4: Simplify right side
    1,600,915.39x = 1,912,930,067,910.01
  5. Step 5: Solve for x
    x = 1,912,930,067,910.01/1,600,915.39
  6. Step 6: Final answer
    x = 1,194,897.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.